256803092

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{7927}}^1$

素因数の和:8040

約数の個数: 48

約数和(自身を含む): 559399680

約数和(自身を除く): 302596588

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 89, 91, 178, 182, 356, 364, 623, 1157, 1246, 2314, 2492, 4628, 7927, 8099, 15854, 16198, 31708, 32396, 55489, 103051, 110978, 206102, 221956, 412204, 705503, 721357, 1411006, 1442714, 2822012, 2885428, 4938521, 9171539, 9877042, 18343078, 19754084, 36686156, 64200773, 128401546, 256803092]

約数ペア:

[(1, 256803092), (2, 128401546), (4, 64200773), (7, 36686156), (13, 19754084), (14, 18343078), (26, 9877042), (28, 9171539), (52, 4938521), (89, 2885428), (91, 2822012), (178, 1442714), (182, 1411006), (356, 721357), (364, 705503), (623, 412204), (1157, 221956), (1246, 206102), (2314, 110978), (2492, 103051), (4628, 55489), (7927, 32396), (8099, 31708), (15854, 16198)]